Latest Wipro Aptitude Question SOLUTION: 3 men and 5 women can complete a work in 12 days, which 5 men and 12 women can complete in 6 days. In how many days can 4 men and 4 women complete the same work?

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3 men and 5 women can complete a work in 12 days, which 5 men and 12 women can complete in 6 days. In how many days can 4 men and 4 women complete the same work?

Asked In Wipro (12 years ago)

Unsolved Read Solution (4)

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Read Solution (4) :

Reck  (12 years ago)

(3m+5w)'s one day's work=1/12...1
(5m+12w)'s one day's work=1/6..2
2*eq(1)
6m+10w=1/6
6m+10w=5m+12w (from eq(2))
m=2w
so,m=2/(12*11)
w=1/(12*11)
4m+4w=1/11
ans:11

Is this solution Helpfull? Yes (8) | No (3)  

Anchula Sireesha  (9 years ago)

3m+5w=12 days...............>36m+60w=1 work (i) (hint: mens*days =work)

5m+12w=6 days..............>30m+72w=1 work (ii)

from 1 and 2

36m+60w = 30m+72w bcz both efficiencies are same

6m = 12w

1m=2w

from (i) 3(2w)+5w=12

11w can do the wrk in 12 days

1 women work =12*11=132

we have to find out 4m+4w =?

4(2w)+4w=12w

1w work =132

12w work = 132/12=12 days

Is this solution Helpfull? Yes (1) | No (2)  

Anchula Sireesha  (9 years ago)

sorry i made mistake

132/12 = 11days

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venkat  (8 years ago)

3m + 5w = 12days = 5m + 12w = 6days
36m + 60w =1day = 30m + 72w = 1day
36m-30m = 72w-60w
6m = 12w
1m = 2w
4m*2+4w = 12w.
3m*2+5 = 11w
M1D1 = M2D2
11*12 = 12*?
11days

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